AS · UNIT 1
Biochemistry & cells
Biological molecules, cell structure, enzymes and cell division.
WJEC BIOLOGY
Cram notes
Key concepts and exam-focused explanations, with questions at the end of every lesson.
WJEC BIOLOGY
Choose a topic
Select a unit to browse its topics.
Filter by level or search below.
AS LEVEL
AS Biology
Foundation biology and core processes
AS · UNIT 2
Biodiversity & body systems
Classification, gas exchange, transport and nutrition.
A LEVEL
A Level Biology
Advanced biology and practical application
A2 · UNIT 3
Energy & the environment
Photosynthesis, respiration, ecosystems and regulation.
A2 · UNIT 4
Variation, Inheritance and Options
Human reproduction, inheritance, variation and optional pathways.
A2 · UNIT 5
Practical skills
Experimental design, data analysis and evaluation.
Unit 4 includes three optional pathways. You study one.See the course outline